class_docstr: A simple DQN agent.
code: def initial_actor_state(self):
      actor_count = jnp.zeros((), dtype=jnp.float32)
      return ActorState(actor_count)
  
imports: import collections
  import random
  from absl import app
  from absl import flags
  from bsuite.environments import catch
  import haiku
  from haiku import nets
  import jax
  import jax.numpy
  import numpy
  import optax
  import rlax
  from rlax.examples import experiment
label_desc: Use image node_id 3 for calling the DQN obj's underlying member method code with example usage: obj.initial_actor_state() and returns: ActorState